Q 22 - the Land Plants_1 - 10/26/2009 Fact of the day Fact...

10/26/2009 1 Ladybug mobs! Dangerous infestation? Or, Most dangerous infestation ever? Fact of the day Beetles gather to clump together over winter to survive- generally can survive some cold, can’t survive getting wet + cold Introduced species, first reported in New Orleans in 1988 Introduced, abundant, yet not invasive? Harmonia axyridis The asian lady bug, or ‘lady beetle’ Fact of the day Land Plants You can make it if you really try How did we get from Rhynia Charales Mighty Oak

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10/26/2009 2 This phylogenetic tree was made by and is the intel ectual property of Dr. J. Peter Gogarten, Dept. of Molecular and Cel Biology, University of Connecticut Established on Land Adaptation to the hardships of land Rhynia Cordon Passionfruit Sequoia What’s so great about land? Advantages • New, unused territory • Escape from enemies, and disease • Bright, bright light Downsides • Hard to get nutrients • Got to support self • Relatively sterile • Dry out, UV damage Same reasoning behind moving to Phoenix, AZ in the 80’s How did we get from Rhynia Charales Mighty Oak

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